Projector, ceiling

https://files.ingeniumcanada.org/items/coll/85/222/1966-0842-001-aa-cs.jpeg
https://files.ingeniumcanada.org/items/coll/85/221/1966-0842-001-ab-cs.jpeg

Title

Projector, ceiling

Creator

Canadian Westinghouse Co. Ltd.

Identifier

1966.0842.001

Function

SEARCHLIGHT USED AT NIGHT TO PROJECT SPOT ON BASE OF CLOUDS, ALTITUDE OF WHICH IS THEN MEASURED BY MEANS OF ALIDADE IN ORDER TO CALCULATE HEIGHT OF CLOUD BASE.

Position: 980 (3 views)